Program in C to show multiprogramming fixed task

#include<stdio.h>

#include<conio.h>

main()

{

            int ms,i,ps[20],n,size,p[20],s,intr=0;

            clrscr();

            printf("Enter size of memory:");

            scanf("%d",&ms);

            printf("Enter memory for OS:");

            scanf("%d",&s);

            ms-=s;

            printf("Enter no.of partitions to be divided:");

            scanf("%d",&n);

            size=ms/n;

            for(i=0;i<n;i++)

            {

                        printf("Enter process and process size");

                        scanf("%d%d",&p[i],&ps[i]);

                        if(ps[i]<=size)

                        {

                                    intr=intr+size-ps[i];

                                    printf("process%d is allocated\n",p[i]);

                        }

                        else

                                    printf("process%d is blocked",p[i]);

            }

            printf("total fragmentation is %d",intr);

            getch();

}

OUTPUT